While FDR was a popular President, the fear was that someone like Adolph Hitler could win office and control the United States unless term limits were established. The 22nd Amendment was passed by Congress two years after the conclusion of WW2, March 21, 1947, and ratified four years later by the states.
It is termed a lumbar puncture because the needle is placed in the lumbar portion of the back and used to puncture through tissues to enter the spinal canal. Other names for a lumbar puncture (an LP) include spinal tap, spinal puncture, thecal puncture, and rachiocentesis. 1  Readers Comments 1.  Share Your Story.
Term. lumbar puncture. Definition. Needle puncture of the spinal cavity to extract spinal fluid for diagnostic purposes, introduce anesthetic agents into the spinal cord, or remove fluid to allow other fluids (such as radiopaque substances) to be injected; also called spinal punture and spinal tap.Term. nerve conduction velocity.efinition. Needle puncture of the spinal cavity to extract spinal fluid for diagnostic purposes, introduce anesthetic agents into the spinal cord, or remove fluid to allow other fluids (such as radiopaque substances) to be injected; also called spinal punture and spinal tap. Term. nerve conduction velocity.